Freelancer profile translated to English.
Back to original languageAbout Stéphan
🚀 Freelance fullstack developer based in Lyon
Fullstack developer specialized inJava, PHP Symfony 7andAngular**, I support **startups, SMEs, agencies and large corporationsin creating robust web applications and performing and scalable **REST APIs**.
My approach guarantees **clean, secure, tested, and maintainable code**, following best practices: automated tests, CI/CD, clean architecture.
📍 Available inLyonandremote**, I can work independently or **integrated into your technical teamto strengthen your stack or launch a new project.
📞 Need an expert in Lyon or remotely? Contact me!
French
Native or bilingual
English
Fluent
Can work on-site
Lyon (up to 50km), Paris (up to 50km), Bordeaux (up to 50km), Nice (up to 50km), Nantes (up to 50km)
Experience
- lePERMISLIBREPHP Symfony Backend DeveloperEDUCATION AND E-LEARNINGOctober 2024 - May 2025 (7 months)Lyon, FranceReturned to the tech team to support them in the replatforming project, which involved a complete overhaul of the current stack (API, web and mobile applications, website).Creation of a new API in PHP with Symfony, API Platform, and separated into domains (DDD)
- Implementation of unit and functional tests
- Implementation of an authentication system via Ory
- Import and synchronization of user information from the old API
- Optimization of response times using Redis cache
- Synchronization of data to Hubspot
- Implementation of a new user data anonymization system following GDPR rules
- Development of business-specific features to boost sales
- Maintenance of the existing stack
- Performance monitoring
- Support for back-office users
Technical stack: PHP, Symfony, API Platform, PHPUnit, Docker, AWS, Datadog, Sentry, Ory - lePERMISLIBREPHP Symfony Backend DeveloperEDUCATION AND E-LEARNINGApril 2022 - February 2024 (1 year and 11 months)Lyon, FranceJoined the technical team of 20 people consisting of front-end, back-end, devops, product, and CTO developers:
- Design, development, and maintenance of several high-traffic APIs (5 to 8000 unique visitors per day, 35000 per month)
- Optimization of existing code to improve performance
- Version upgrades (PHP 8 to 8.1 then 8.2, Symfony 5.4 to 6+)
- Implementation of a user permission and feature flag management solution
- Integration of a new exam voucher provider into the code
- Support for users and developers
- Documentation of technical processes
Technical stack: PHP, Symfony, atoum, behat, Docker, AWS, Datadog, Sentry - Obiz ConceptFullstack Developer PHP/JS (Symfony Angular)E-COMMERCEDecember 2013 - March 2022 (8 years and 2 months)Lyon, FranceAs the first developer in-house, I saw the team grow to 10 people working with agile methodology.Analysis, development, and maintenance of various APIs, applications, and tools for:
- Invoicing and logistics tracking for the client L’Orange Bleue
- Gift card order processing
- Independent creation of accounts for various clients
- White-label website customization for each major client
- Monitoring of our applications: response times, errors, uptime, scheduled tasks
- Deployment of our applications to production
Migrations and version upgrades- Migration from a monolithic legacy stack to a decoupled architecture (Symfony API + AngularJS front-end)
- Upgrades of PHP, Symfony, AngularJS to Angular2+
Monitoring and performance optimizationMaintenance, documentation, and team supportParticipation in agile meetingsTechnical stack: PHP, Symfony, atoum, behat, Angular, Grafana
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Education
- Expert in Information Systems (Master's degree)ISITECH Lyon2017Développement, réseau, système, gestion de projet
- Information Technology Project ManagerISITECH Lyon2015